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			128 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* $Id: cfg.c,v 1.22 2009-08-24 16:27:03 tcunha Exp $ */
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/*
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 * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * Config file parser. Pretty quick and simple, each line is parsed into a
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 * argv array and executed as a command.
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 */
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void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
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void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
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char	 *cfg_cause;
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void printflike2
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cfg_print(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
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{
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}
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void printflike2
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cfg_error(unused struct cmd_ctx *ctx, const char *fmt, ...)
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{
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	va_list	ap;
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	va_start(ap, fmt);
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	xvasprintf(&cfg_cause, fmt, ap);
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	va_end(ap);
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}
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int
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load_cfg(const char *path, struct cmd_ctx *ctxin, char **cause)
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{
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	FILE   	        *f;
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	u_int		 n;
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	char	        *buf, *line, *ptr;
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	size_t		 len;
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	struct cmd_list	*cmdlist;
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	struct cmd_ctx	 ctx;
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	if ((f = fopen(path, "rb")) == NULL) {
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		xasprintf(cause, "%s: %s", path, strerror(errno));
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		return (1);
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	}
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	n = 0;
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	line = NULL;
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	while ((buf = fgetln(f, &len))) {
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		if (buf[len - 1] == '\n')
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			buf[len - 1] = '\0';
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		else {
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			line = xrealloc(line, 1, len + 1);
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			memcpy(line, buf, len);
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			line[len] = '\0';
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			buf = line;
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		}
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		n++;
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		if (cmd_string_parse(buf, &cmdlist, cause) != 0) {
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			if (*cause == NULL)
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				continue;
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			goto error;
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		}
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		if (cmdlist == NULL)
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			continue;
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		cfg_cause = NULL;
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		if (ctxin == NULL) {
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			ctx.msgdata = NULL;
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			ctx.curclient = NULL;
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			ctx.cmdclient = NULL;
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		} else {
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			ctx.msgdata = ctxin->msgdata;
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			ctx.curclient = ctxin->curclient;
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			ctx.cmdclient = ctxin->cmdclient;
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		}
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		ctx.error = cfg_error;
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		ctx.print = cfg_print;
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		ctx.info = cfg_print;
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		cfg_cause = NULL;
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		cmd_list_exec(cmdlist, &ctx);
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		cmd_list_free(cmdlist);
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		if (cfg_cause != NULL) {
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			*cause = cfg_cause;
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			goto error;
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		}
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	}
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	if (line != NULL)
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		xfree(line);
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	fclose(f);
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	return (0);
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error:
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	if (line != NULL)
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		xfree(line);
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	fclose(f);
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	xasprintf(&ptr, "%s: %s at line %u", path, *cause, n);
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	xfree(*cause);
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	*cause = ptr;
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	return (1);
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}
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